1. Faculty of Health Sciences, Simon Fraser University, Burnaby, Canada
2. School of Government and International Relations, Griffith University, Brisbane, Australia
3. School of Public Health, Li Ka Shing Faculty of Medicine, University of Hong Kong, Pokfulam, Hong Kong
4. Queen Mary University of London, London, UK
5. Department of Health Policy, London School of Economics and Political Science, London, UK
6. Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA